// TileProvider.aspx.cs
//
// Copyright (c) 2008 Scott Ellington and Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
//

using System;
using System.Web;
using System.Web.UI;

using System.Drawing;
using System.Drawing.Imaging;

using Cumberland;
using Cumberland.Data.PostGIS;
using Cumberland.Data.Shapefile;
using Cumberland.Drawing;
using Cumberland.Projection;
using Cumberland.Web;
using Cumberland.Xml.Serialization;


namespace Cumberland.TileViewerTest
{

	public partial class TileProvider : System.Web.UI.Page
	{
		protected override void OnLoad (EventArgs e)
		{
			base.OnLoad (e);
			
			// clear out response
			Response.Clear();
			Response.ContentType = "image/png";

			MapSerializer ms = new MapSerializer();
			ms.AddDatabaseFeatureSourceType(typeof(PostGISFeatureSource));

			Map map = ms.Deserialize(Request.QueryString["map"]);
			
			// acquire the tile index and zoom level
			int x = Convert.ToInt32(Request.QueryString["x"]);
			int y = Convert.ToInt32(Request.QueryString["y"]);
			int zoomLevel = Convert.ToInt32(Request.QueryString["zl"]);

			Cumberland.Web.TileProvider tp = new Cumberland.Web.TileProvider(map);
	
			using (Bitmap b = tp.DrawTile(x, y, zoomLevel))
			{
				// stream out the image
				b.Save(Response.OutputStream, ImageFormat.Png);
			}
			
			Response.Flush();
		}	
	}
}
